Space Time, Aliens

04-February-2019 Monday
Oumuamua is an alien probe!


pavel0081
 
Oumuamua is an alien probe!
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Oumuamua Pbs Space Time Video Aliens Oumuamua

21-January-2019 Monday
Origin of 'Oumuamua


pavel0081
 
Origin of 'Oumuamua
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Pbs Space Time Video Aliens Oumuamua

30-July-2018 Monday
Why don't we see alien civilizations?


pavel0081
 
Why don't we see alien civilizations?
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Pbs Space Time Video Aliens

13-January-2018 Saturday
Is it irrational to believe in aliens?


pavel0081
 
Is it irrational to believe in aliens?
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Pbs Space Time Video Aliens Carl Sagan Nick Bostrom Enrico Fermi
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